Wild Horses Mating
Michael Lustbader
Marsh Wren
Richard Hansen
Peccaries Mating #1
Gerald C. Kelley
Frigatebird Mating Display
Ron Sanford
Violet-green Swallow
Richard Hansen
Bighorn Sheep Dominance Display
Thomas And Pat Leeson
Royal Terns #2
Paul J. Fusco
American Bison Bull Flehmening
Thomas And Pat Leeson
Courtship Of Laughing Gulls #3
Ivan Kuzmin
Lion And Lioness Mating
Greg Dimijian
Rabbit Mating Behavior
M. Watson
Mating Garden Snails
Jean-Michel Labat
Mating Garden Snails #1
Jean-Michel Labat
Mating Garden Snails #2
Jean-Michel Labat
Chimpanzees Mating
M. Watson
Common Toads Mating
M. Watson
Pacific Rattlesnakes Mating
Richard Hansen
Walking Sticks Mating
John Mitchell
Mating Crane Flies
Robert J. Erwin
Mating Leopard Lizards
Karl H. Switak
Northern Walking Sticks Mating
Harry Rogers
Mating Harlequin Bugs
Harry Rogers
Peccaries Mating #2
Gerald C. Kelley
Mating Elephant Seals
Gerald C. Kelley
Mating Bighorn Sheep
Thomas And Pat Leeson
Cardinal Meadowhawks Mating
Thomas And Pat Leeson
Bluet Damselflies Mating
Thomas And Pat Leeson
Bluet Damselflies Mating #1
Thomas And Pat Leeson
White Terns Mating
Robert Hernandez
White Terns Mating #1
Robert Hernandez
Galapagos Tortoises Mating
R. Van Nostrand
Mating Morpho Butterflies
Michael Lustbader
Mating Butterflies
Michael Lustbader
Royal Terns #1
Paul J. Fusco
Red-crowned Cranes Courting
John Shaw
Green Anacondas
M. Watson
Three-toed Box Turtles
Dan Guravich
Male Northern Elephant Seals Sparring
Richard Hansen
Great Spangled Fritillaries
Robert J. Erwin
Female And Male Northern Elephant Seals
Richard Hansen
Pollination #2
Perennou Nuridsany
Pacific Rattlesnakes
Richard Hansen
Northern Elephant Seals
Richard Hansen
Chinese Mantises
John Mitchell
Bellowing Male Elephant Seal
Richard Hansen
Carolina Mantises
Harry Rogers
Frigate Bird Displaying
Greg Ochocki
Swallowtail Gulls
Greg Ochocki
Bighorn Ram Chases Ewe
Thomas And Pat Leeson
Bush Locusts
Mitch Reardon
Bighorn Rams Dominance Display
Thomas And Pat Leeson
Pink-spotted Cattlehearts
Steve E. Ross
Manchurian Cranes #2
Akira Uchiyama
Laysan Albatross Pair
Craig K. Lorenz
Laysan Albatross Pair #1
Craig K. Lorenz
Laysan Albatross Pair #2
Craig K. Lorenz
Manchurian Cranes #3
Akira Uchiyama
Laysan Albatross Pair #3
Craig K. Lorenz
Laysan Albatross Pair #4
Craig K. Lorenz
Rattlesnakes Fighting
Anthony Mercieca
Great Frigatebird
David Hosking
Great Frigatebird #2
David Hosking
Damselflies Mating
K.G. Vock/Okapia
Mating Crayfish
John Mitchell
Cuviers Gazelles Mating
Toni Angermayer
Male Sage Grouse In Mating Display
Ron Sanford
Great Crested Grebes
Des Ong FLPA
Royal Terns
Paul J. Fusco
King Penguins #41
John Shaw
Somali Wild Ass #1
Mark Newman
King Penguins #4
Art Wolfe
Courting Great Frigatebirds
Sidney Bahrt